{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898392,-0.439195,0.000000,0.000000,0.284098,-0.581134,0.762608,0.000000,-0.333990,0.683191,0.649385,0.000000,-2133247.623103,4363646.563161,4119960.933925,1],    "boundingVolume": {    "region": [2.025448,0.706739,2.025549,0.706813,0.000000,5.929858]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1819967.b3dm"}}}